Synthetic Polymer (Polylactic Acid)

Polished amber

Amber (fossilized plant resin), commonly succinite; organic mineraloid rather than a true mineral

Amber

Succinite (Fossilized Tree Resin)

Amber (Copal)

Fossilized Tree Resin (C10H16O)

Amber

Succinite (approximate formula C10H16O)

Amber

Succinite (fossilized resin)

Amber

Amber (Amorphous Organic Hydrocarbon)

Amber

Succinite

Amber

Succinite (a specific high-quality amber from the Baltic)

Gold-colored gemstone ring, likely citrine or glass imitation

Indeterminate from image; possible quartz (SiO₂) or yellow glass set in gold-colored metal

Tiger’s eye

Quartz (SiO₂), fibrous pseudomorph after crocidolite

Polished amethyst cabochon

Amethyst, purple quartz (SiO₂)

Polished tiger’s eye

Quartz (microcrystalline SiO₂) with crocidolite-derived iron oxides

Green faceted gemstone, likely emerald

Beryl, Be₃Al₂Si₆O₁₈, colored green by chromium and/or vanadium

Larimar

Pectolite (NaCa2Si3O8(OH))

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Goldstone (Synthetic Aventurescence Glass)

Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)

Blue glass-like gemstone, likely synthetic spinel or glass

Uncertain; possibilities include synthetic cobalt-blue spinel (MgAl₂O₄) or cobalt-colored glass

Hematite bead bracelet

Hematite (iron(III) oxide, Fe₂O₃), likely polished magnetic hematite or hematite-coated beads

Blue topaz-style pendant (stone identity uncertain)

Possibly blue topaz (Al₂SiO₄(F,OH)₂); the image cannot confirm whether the stone is natural or synthetic

Colorless faceted gemstone, likely cubic zirconia or diamond

Uncertain from image; cubic zirconia (ZrO₂) is a common diamond simulant, while diamond is crystalline carbon (C)

Diamond ring

Diamond, crystalline carbon (C), likely colorless or near-colorless brilliant-cut stones set in gold

Small faceted gemstone, likely diamond

Diamond (crystalline carbon, C)

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic zirconium dioxide, ZrO₂); possibly colorless quartz or laboratory diamond

Goldstone

Aventurine glass

Faceted glass-like gemstone object

Likely synthetic glass or cubic zirconia; exact material cannot be confirmed from the image

Red faceted gemstone jewelry setting

Likely synthetic ruby or red spinel centerpiece with colorless accent stones; exact identification requires gemological testing

Ruby (Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Coal (Anthracite/Bituminous)

Carbo fossilium (primarily Carbon)

Diamond (or Cubic Zirconia simulant)

Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ

Blue Sapphire

Corundum (Al2O3 with trace Titanium and Iron)

Sandstone (likely Fossilized Wood or Concrete Simulacrum)

Arenite / Silicified Wood / Anthropogenic Concrete

Cubic Zirconia

Zirconium Dioxide (ZrO2)

Diamond (Baguette cut)

Carbon (C)

Aquamarine in Onyx / Blue Topaz Pendant

Beryl (Be₃Al₂Si₆O₁₈) or Topaz (Al₂SiO₄(F,OH)₂)

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

Tumbled amethyst

Amethyst, purple quartz (SiO₂), colored by trace iron and irradiation

Tumbled amethyst

Quartz, crystalline silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation

Garden Quartz (Lodalite)

Silicon Dioxide with various mineral inclusions (SiO2)

Likely colorless topaz

Topaz, Al₂SiO₄(F,OH)₂

Amethyst (faceted gemstone)

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron-related defects

Mixed gemstone specimens

Likely pink sapphire or tourmaline, red garnet, blue sapphire, precious opal, and green tourmaline/emerald; exact identities cannot be confirmed from the collage